# This Perl code finds the closest domain controller in the domain
# that the computer running the script is in.

# ---------------------------------------------------------------
# Adapted from VBScript code contained in the book:
#      "Active Directory Cookbook" by Robbie Allen
# Publisher: O'Reilly and Associates
# ISBN: 0-596-00466-4
# Book web site: http://rallenhome.com/books/adcookbook/code.html
# ---------------------------------------------------------------

# ------ SCRIPT CONFIGURATION ------
my $strDomain = "<DomainDNSName>";  # e.g. emea.rallencorp.com
# ------ END CONFIGURATION ---------
use Win32::OLE;
$Win32::OLE::Warn = 3;
my $objIadsTools = Win32::OLE->CreateObject("IADsTools.DCFunctions");
$objIadsTools->DsGetDcName( $strDomain );
print "DC: " . $objIadsTools->DCName,"\n";
print "DC Site: " . $objIadsTools->DCSiteName,"\n";
print "Client Site: " . $objIadsTools->ClientSiteName,"\n";